VP3225K101R020

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TVS-Varistor, MOVs are widely applied in many areas, due to their ability to provide over-voltage and over-current protection. The VP3225K101R020 is one of the varieties of this type of protection component. It is a high-voltage, high-current, high-impedance, low-leakage Gas Discharge Tube (GDT) from Vishay Intertechnology. In particular, this component is a three-port, UL1449 4th edition certified GDT that can be used in various situations where over-voltage protection is necessary.

Below is a discussion of the VP3225K101R020\'s application field and working principle.

Application Field

The Vishay Intertechnology VP3225K101R020 Gas Discharge Tube is a widely applicable choice for a wide range of over-voltage protection needs. It can be used to protect power sources, power supply, various consumer electronics, electrical equipment, motor circuits, and so on. It is highly suitable for using in industries and commercial businesses.

Due to its characteristics, the VP3225K101R020 is a suitable component for protecting industrial, professional, and commercial applications from over-voltage damage, such as those that operate in demanding environments with high power requirements. This specific GDT is able to withstand peak voltages up to 380V AC and currents up to 800 amperes. As a result, it can be used for both AC- and DC-power supplies, and system components with both high and low operating voltages.

Working Principle

The VP3225K101R020 is a three-port Gas Discharge Tube (GDT) that is capable of providing over-voltage and over-current protection. GDTs are a type of surge suppression component that is used in situations where a certain amount of electrical overload may occur periodically. GDTs are typically designed to activate when the applied voltage exceeds a preset level or the current reaches a certain level.

The way GDTs work is by responding to electrical surges in a certain type of gas mixture. This gas mixture is composed of different gases, typically nitrogen and neon. The mixture is used to create a path of ionized particles that will respond to the electrical energy in the form of plasma. This plasma can then be used to limit the amount of electrical energy that is allowed to reach the system components.

When connected in a circuit, the VP3225K101R020 GDT has two primary functions. First, it will protect the components and circuit from over-voltage damage. Second, it will act as a capacitor to absorb any maximum transient voltage when it is activated. In the absence of electrical surges, the GDT acts as an open circuit, with no current flow. However, when the circuit is experiencing electrical surges, the GDT will create a conductive path to prevent further damage.

This three-port GDT offers superior protection in case of a surge. Its three-port construction allows it to provide equal protection to hot, neutral, and ground connections. Additionally, the GDT has UL1449 4th edition certification, which ensures that it meets the standards required for over-voltage protection.

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